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1/*
2 * Copyright (c) Contributors, http://opensimulator.org/
3 * See CONTRIBUTORS.TXT for a full list of copyright holders.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the OpenSimulator Project nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ''AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28using System;
29using System.Collections;
30using System.Collections.Generic;
31using System.Data;
32using OpenMetaverse;
33using OpenSim.Framework;
34using System.Reflection;
35using System.Text;
36using Npgsql;
37
38namespace OpenSim.Data.PGSQL
39{
40 public class PGSQLFriendsData : PGSQLGenericTableHandler<FriendsData>, IFriendsData
41 {
42 public PGSQLFriendsData(string connectionString, string realm)
43 : base(connectionString, realm, "FriendsStore")
44 {
45 using (NpgsqlConnection conn = new NpgsqlConnection(m_ConnectionString))
46 {
47 conn.Open();
48 Migration m = new Migration(conn, GetType().Assembly, "FriendsStore");
49 m.Update();
50 }
51 }
52
53
54 public bool Delete(string principalID, string friend)
55 {
56 UUID princUUID = UUID.Zero;
57
58 bool ret = UUID.TryParse(principalID, out princUUID);
59
60 if (ret)
61 return Delete(princUUID, friend);
62 else
63 return false;
64 }
65
66 public bool Delete(UUID principalID, string friend)
67 {
68 using (NpgsqlConnection conn = new NpgsqlConnection(m_ConnectionString))
69 using (NpgsqlCommand cmd = new NpgsqlCommand())
70 {
71 cmd.CommandText = String.Format("delete from {0} where \"PrincipalID\" = :PrincipalID and \"Friend\" = :Friend", m_Realm);
72 cmd.Parameters.Add(m_database.CreateParameter("PrincipalID", principalID.ToString()));
73 cmd.Parameters.Add(m_database.CreateParameter("Friend", friend));
74 cmd.Connection = conn;
75 conn.Open();
76 cmd.ExecuteNonQuery();
77
78 return true;
79 }
80 }
81
82 public FriendsData[] GetFriends(string principalID)
83 {
84 UUID princUUID = UUID.Zero;
85
86 bool ret = UUID.TryParse(principalID, out princUUID);
87
88 if (ret)
89 return GetFriends(princUUID);
90 else
91 return new FriendsData[0];
92 }
93
94 public FriendsData[] GetFriends(UUID principalID)
95 {
96 using (NpgsqlConnection conn = new NpgsqlConnection(m_ConnectionString))
97 using (NpgsqlCommand cmd = new NpgsqlCommand())
98 {
99
100 cmd.CommandText = String.Format("select a.*,case when b.\"Flags\" is null then '-1' else b.\"Flags\" end as \"TheirFlags\" from {0} as a " +
101 " left join {0} as b on a.\"PrincipalID\" = b.\"Friend\" and a.\"Friend\" = b.\"PrincipalID\" " +
102 " where a.\"PrincipalID\" = :PrincipalID", m_Realm);
103 cmd.Parameters.Add(m_database.CreateParameter("PrincipalID", principalID.ToString()));
104 cmd.Connection = conn;
105 conn.Open();
106 return DoQuery(cmd);
107 }
108 }
109
110 public FriendsData[] GetFriends(Guid principalID)
111 {
112 return GetFriends(principalID);
113 }
114
115 }
116}